Panel fastener



FIG. 1 is a top front perspective view of a panel fastener.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a right side elevation view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a rear elevation view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a panel fastener, as shown and described. 